Fitness key to Murray future

Britain's new tennis hero can take some valuable lessons from his experience at Wimbledon this year

So just how good is Andy Murray, and how good could he become? The answer to those questions have to be revised by the match, for every test that Murray has faced has been passed, and usually with commanding ease. He may have lost to David Nalbandian in the gloom yesterday, but it was only lack of conditioning to the rigours of five-set tennis that removed him from the tournament. Before he tired, he proved his vast potential, and showed that post-Henman the British tennis cupboard, which seemed bare, holds something precious after all.

Murray won his first senior matches on grass at Queen’s a fortnight ago, beating players far ahead of him in the rankings until the combination of injury, cramp and a former Grand Slam champion halted his progress. At Wimbledon, he has graduated. His first match in the main draw was hardly a problem; his first on